2204443221 has 8 divisors (see below), whose sum is σ = 2949290400. Its totient is φ = 1464612432.

The previous prime is 2204443181. The next prime is 2204443223. The reversal of 2204443221 is 1223444022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2204443221 - 2¹⁴ = 2204426837 is a prime.

It is a super-2 number, since 2×2204443221² = 9719139829225709682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2204443191 and 2204443200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204443223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253071 + ... + 1254828.

It is an arithmetic number, because the mean of its divisors is an integer number (368661300).

Almost surely, 2^2204443221 is an apocalyptic number.

It is an amenable number.

2204443221 is a deficient number, since it is larger than the sum of its proper divisors (744847179).

2204443221 is a wasteful number, since it uses less digits than its factorization.

2204443221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508195.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2204443221 is about 46951.4986022811. The cubic root of 2204443221 is about 1301.4664361243.

Adding to 2204443221 its reverse (1223444022), we get a palindrome (3427887243).

The spelling of 2204443221 in words is "two billion, two hundred four million, four hundred forty-three thousand, two hundred twenty-one".